Finding the Fourth Proportional to 18,330,168.40, 27,512,967.30 and 11,155,714.90
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Solution
The fourth proportional to 18,330,168.40, 27,512,967.30 and 11,155,714.90 is: 16,744,353.49
Step by Step Solution
- Step 1: Write the proportion equation
18,330,168.40 : 27,512,967.30 = 11,155,714.90 : x - Step 2: Convert to fraction form
18,330,168.40/27,512,967.30 = 11,155,714.90/x - Step 3: Cross multiply
18,330,168.40x = 27,512,967.30 × 11,155,714.90 - Step 4: Simplify right side
18,330,168.40x = 306,926,819,251,822.81 - Step 5: Solve for x
x = 306,926,819,251,822.81/18,330,168.40 - Step 6: Final answer
x = 16,744,353.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.